Growth of hybrid poplars, white spruce, and jack pine under various artificial lights /
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| Format: | Government Document Book |
| Language: | English |
| Published: |
St. Paul, Minn. :
U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station,
1981.
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| Series: | Research paper NC ;
206. |
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| Physical Description: | 5 pages ; 28 cm. |
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| Bibliography: | Bibliography: page 5. |